SAP HCI is created as Integration Platform-as-a-Service (PAAS) which really helps to integrate many impartial units/programs for a company system. HCI can perform Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid design. HCI presents Adapters (Connectivity choices) for instance: SOAP Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oDa